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Ozone layer is being depleted. This is d...

Ozone layer is being depleted. This is due to :

A

`NO` emission from supersonic jets

B

chloroflurocarbon used as aerosols

C

both (A) and (B)

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
C
(A)`O_(3)+NO to NO_(2)+O_(2)`
(B)`Cl_(2)CF_(2) to .^(.)Cl+.^(.)C CIF_(2), .^(.)Cl+O_(3)toCIO.^(.)+O_(2)`
`CIO^(.)to Cl.^(.)+O. , CIO^(.)+O^(.) to .^(.)Cl+O_(2)`
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RESONANCE-P BLOCK ELEMENTS-Exercise 1 part 2 objective que
  1. Nitrogen gas is prepared :

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  2. Which of the following compound is tribasic acid?

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  3. Which of the following hydrides of the oxygen family shows the lowest ...

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  4. Which of the following statement is false ?

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  5. The compound which on strong heating gives oxygen is :

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  6. Ozone layer is being depleted. This is due to :

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  7. A considerable part of the harmful ultraviolet radiation of the sun do...

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  8. Estimation of ozone can be made quantitatively by :

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  9. Sulphur on oxidation with hot sulphuric acid gives :

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  10. Which of the following compounds gives a mixture of SO(2) and SO(3) o...

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  11. SO(2) can reduce :

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  12. H(2)S is far more volatile than water because :

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  13. When H(2)S is passed through acidified K(2)Cr(2)O(7) solution, the sol...

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  14. H(2)SO(4) has very high corrosive action on skin because

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  15. Which of the following reactions depict the oxidising behaviour of H(2...

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  16. Out of H(2)S(2)O(3),H(2)S(4)O(6),H(2)SO(5) and H(2)S(2)O(8) peroxy aci...

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  17. The term 'thio' is used in the names of all of the following compounds...

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  18. Which of the following oxides is the most acidic?

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  19. Hydrolysis of one mole of peroxy disulphuric acid produces

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  20. The oxidation number of S in S(8),S(2)F(2), and H(2)S, respectively, a...

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